Napkin ring



FIG. 1 is a top perspective view of a napkin ring showing my new design;

FIG. 2 is a top plan view thereof, the opposite side being the same;

FIG. 3 is a front elevation view thereof, the opposite side being a mirror image;

FIG. 4 is a left side elevation view thereof; and,

FIG. 5 is a right side elevation view thereof. 

The ornamental design for the napkin ring, as shown and described. 